3-aryl-tetronic acid derivatives, the production thereof and...

C - Chemistry – Metallurgy – 07 – D

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Details

C07D 493/10 (2006.01) A01N 43/90 (2006.01) A01N 47/06 (2006.01) A01N 57/08 (2006.01) C07D 211/66 (2006.01) C07D 309/08 (2006.01) C07D 309/10 (2006.01) C07D 333/38 (2006.01) C07D 335/02 (2006.01) C07D 491/10 (2006.01) C07D 495/10 (2006.01) C07F 9/6561 (2006.01)

Patent

CA 2208375

The invention concerns novel 3-aryl-4-hydroxy-.DELTA.3-dihydrofuranone derivatives of formula (I), wherein: A and B together with the carbon atom to which they are bound form a five to seven member ring which is interrupted by at least one heteroatom and either unsubstituted or substituted; X represents alkyl, halogen or alkoxy; Y represents hydrogen, alkyl, halogen, alkoxy or halogenated alkyl; Z represents alkyl, halogen or alkoxy; n is 0, 1, 2 or 3; G represents hydrogen (a) or one of the groups (b), (c), (d), (e), (f) or (g) shown; E represents a metal ion equivalent or an ammonium ion; L represents oxygen or sulphur; and R1, R2, R3, R4, R5, R6 and R7 have the meanings indicated in the description. The invention also concerns methods of producing the said compounds and the use of the said compounds as anti-parasitic agents, as well as intermediate products of formula (II) in which R8 represents alkyl.

L'invention concerne de nouveaux dérivés de 3-aryl-4-hydroxy-.DELTA.?3¿-dihydrofuranone de formule (I), dans laquelle A et B forment, conjointement avec l'atome de carbone auquel ils sont liés, un cycle de 5 à 7 chaînons, non substitué ou substitué, interrompu par au moins un hétéro-atome; X désigne un alkyle, un halogène ou un alcoxy; Y désigne l'hydrogène, un alkyle, un halogène ou un halogéno-alkyle, Z désigne un alkyle, un halogène ou un alcoxy; n est égal à 0, 1, 2 ou 3; G désigne l'hydrogène (a) ou l'un des groupes (b), (c), (d), (e), (f) ou (g); E désigne un équivalent ion métal ou un ion ammonium; L désigne l'oxygène ou le soufre; M désigne l'oxygène ou le soufre et R?1¿, R?2¿, R?3¿, R?4¿, R?5¿, R?6¿ et R?7¿ ont les significations données dans la description. L'invention concerne également un procédé de fabrication de ces composés et leur utilisation comme pesticides, ainsi que des produits intermédiaires de formule (II), dans laquelle R?8¿ désigne un alkyle.

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